Home / 55,732.85-83,550.07-42,643.66

Finding the Fourth Proportional to 55,732.85, 83,550.07 and 42,643.66

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Solution

The fourth proportional to 55,732.85, 83,550.07 and 42,643.66 is: 63,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.85 : 83,550.07 = 42,643.66 : x
  2. Step 2: Convert to fraction form
    55,732.85/83,550.07 = 42,643.66/x
  3. Step 3: Cross multiply
    55,732.85x = 83,550.07 × 42,643.66
  4. Step 4: Simplify right side
    55,732.85x = 3,562,880,304.29
  5. Step 5: Solve for x
    x = 3,562,880,304.29/55,732.85
  6. Step 6: Final answer
    x = 63,927.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.